Patent US2734933A successfully refreshed from Google Patents.
US2734933A
Expired / Lapsed
US
⏱️ 0.0 years remaining
klosin
Assignee: —
•
Filing: —
•
Granted: 1956-02-14
•
Expires: 1973-02-14
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:12
CPC Classifications
H; H01; H01R; H01R4/00; H01R4/26; H01R4/10; H01R4/18; H01R4/183; H01R4/186; H01R4/188; Y; Y10; Y10T; Y10T403/00; Y10T403/71; Y10T403/7129; Y10T403/7141; Y10T403/7171
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US516291A
Cited
US557037A
Cited
US909481A
Cited
US1070948A
Cited
GB173419A
Cited
US1982501A
Cited
US2149209A
Cited
US2190824A
Cited
US2353732A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-02-13 | 1959-08-15 | 1960-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-02-13 | 1963-08-15 | 1964-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-02-13 | 1967-08-15 | 1968-02-14 | $7700.00 | Window Closed / Lapsed |